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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 2 Smart Interface Cards
2-21
Table 2-12 Interface attributes of Router 1-Port Fractional T1 SIC
Attribute Description
Connector type RJ45
Number of connectors 1
Interface standard G.703/T1.102, G.704
Interface rate 1.544Mbps
Cable type T1 cable (100-ohm standard shielded network cable)
Operating mode
cT1, ISDN PRI
FT1(supported by Router 1-Port Fractional T1 SIC only)
Supported service
Backup
Terminal access
ISDN (supported by SIC-TPRI ony)
2.5.4 Interface LEDs
Router 1-Port Fractional T1 SIC panel is shown in the following figure:
Fractional T1
Figure 2-21 Router 1-Port Fractional T1 SIC panel
The status description of the LEDs is given in the following table:
Table 2-13 Description of the LEDs on Router 1-Port Fractional T1 SIC panel
LED Description
LINK
OFF means the link is not connected. ON means the link is
connected and frame synchronization signal can be correctly
received.
ACT
OFF means no data is being transmitted or received; blinking
means data is being received or/and transmitted.